/*****
*
*   The contents of this file were written by Kevin Lindsey
*   copyright 2002-2003 Kevin Lindsey
*
*   This file was compacted by jscompact
*   A Perl utility written by Kevin Lindsey (kevin@kevlindev.com)
*
*****/

Svg.VERSION=1.0;
Svg.NAMESPACE="http://www.w3.org/2000/svg";
function Svg(){}
PathParser.PARAMCOUNT={A:7,C:6,H:1,L:2,M:2,Q:4,S:4,T:2,V:1,Z:0};
PathParser.METHODNAME = {
    A: "arcAbs",
    a: "arcRel",
    C: "curvetoCubicAbs",
    c: "curvetoCubicRel",
    H: "linetoHorizontalAbs",
    h: "linetoHorizontalRel",
    L: "linetoAbs",
    l: "linetoRel",
    M: "movetoAbs",
    m: "movetoRel",
    Q: "curvetoQuadraticAbs",
    q: "curvetoQuadraticRel",
    S: "curvetoCubicSmoothAbs",
    s: "curvetoCubicSmoothRel",
    T: "curvetoQuadraticSmoothAbs",
    t: "curvetoQuadraticSmoothRel",
    V: "linetoVerticalAbs",
    v: "linetoVerticalRel",
    Z: "closePath",
    z: "closePath"
};
function PathParser(){this._lexer=new PathLexer();this._handler=null;}
PathParser.prototype.parsePath=function(path){if(path==null||path.namespaceURI!=Svg.NAMESPACE||path.localName!="path")throw new Error("PathParser.parsePath: The first parameter must be an SVG path element");this.parseData(path.getAttributeNS(null,"d"));};
PathParser.prototype.parseData = function (pathData) {
    if (typeof(pathData) != "string")throw new Error("PathParser.parseData: The first parameter must be a string");
    if (this._handler != null && this._handler.beginParse != null) this._handler.beginParse();
    var lexer = this._lexer;
    lexer.setPathData(pathData);
    var mode = "BOP";
    var token = lexer.getNextToken();
    while (!token.typeis(PathToken.EOD)) {
        var param_count;
        var params = [];
        switch (token.type) {
            case PathToken.COMMAND:
                if (mode == "BOP" && token.text != "M" && token.text != "m")throw new Error("PathParser.parseData: a path must begin with a moveto command");
                mode = token.text;
                param_count = PathParser.PARAMCOUNT[token.text.toUpperCase()];
                token = lexer.getNextToken();
                break;
            case PathToken.NUMBER:
                break;
            default:
                throw new Error("PathParser.parseData: unrecognized token type: " + token.type);
        }
        for (var i = 0; i < param_count; i++) {
            switch (token.type) {
                case PathToken.COMMAND:
                    throw new Error("PathParser.parseData: parameter must be a number: " + token.text);
                case PathToken.NUMBER:
                    params[i] = token.text - 0;
                    break;
                default:
                    throw new Errot("PathParser.parseData: unrecognized token type: " + token.type);
            }
            token = lexer.getNextToken();
        }
        if (this._handler != null) {
            var handler = this._handler;
            var method = PathParser.METHODNAME[mode];
            if (handler[method] != null) handler[method].apply(handler, params);
        }
        if (mode == "M") mode = "L";
        if (mode == "m") mode = "l";
    }
};
PathParser.prototype.setHandler=function(handler){this._handler=handler;};
PathLexer.VERSION=1.0;
function PathLexer(pathData){if(pathData==null)pathData="";this.setPathData(pathData);}
PathLexer.prototype.setPathData=function(pathData){if(typeof(pathData)!="string")throw new Error("PathLexer.setPathData: The first parameter must be a string");this._pathData=pathData;};
PathLexer.prototype.getNextToken=function(){var result=null;var d=this._pathData;while(result==null){if(d==null||d==""){result=new PathToken(PathToken.EOD,"");}else if(d.match(/^([ \t\r\n,]+)/)){d=d.substr(RegExp.$1.length);}else if(d.match(/^([AaCcHhLlMmQqSsTtVvZz])/)){result=new PathToken(PathToken.COMMAND,RegExp.$1);d=d.substr(RegExp.$1.length);}else if(d.match(/^(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)/)){result=new PathToken(PathToken.NUMBER,parseFloat(RegExp.$1));d=d.substr(RegExp.$1.length);}else{throw new Error("PathLexer.getNextToken: unrecognized path data "+d);}}this._pathData=d;return result;};
PathToken.UNDEFINED=0;
PathToken.COMMAND=1;
PathToken.NUMBER=2;
PathToken.EOD=3;
function PathToken(type,text){if(arguments.length>0){this.init(type,text);}}
PathToken.prototype.init=function(type,text){this.type=type;this.text=text;};
PathToken.prototype.typeis = function (type) {
    return this.type == type;
};